Announcements
12/11/2025
INFORMATIONAL- Update - Plant-Verified Drop Shipment Updates
Announcements
12/11/2025
PROCESSING AND DISTRIBUTION - Volume Delays at Louisville KY PDC 12-10-2025
Announcements
12/10/2025
INFORMATIONAL- Plant-Verified Drop Shipment Updates
Announcements
12/10/2025
DELIVERY - Notification of Suspension of Mail Service - Effective December 12, 2025
Announcements
12/08/2025
INFORMATIONAL - USPS Mail Flow 101 Webinar Dec 16, 2025
Announcements
12/08/2025
INFORMATIONAL - Tracking Access Validation Notification
Announcements
12/08/2025
INFORMATIONAL - Final Update - USPS Ship INCIDENT # 10234251 PEW Data Feed Now Current
Announcements
12/08/2025
PAVE™ 2026 Advisory Cycle S Extension

This advisory is to inform you that there will be no PAVE Cycle S/MAC Batch Certification testing for the 2026 Price Change releases. USPS has decided to extend the current PAVE process until January 19, 2027, and will not be testing or accepting files for testing during the transition into 2026.

Announcements
12/05/2025
INFORMATIONAL - Retirement of Dane A. Coleman, Vice President of Processing Operations
Announcements
12/05/2025
PROCESSING AND DISTRIBUTION: Unload Delays at Kansas City, MO and Louisville, KY Processing Facilities
Technical Specifications
12/05/2025
Mail.dat Technical Specifications R63.0.0.0
Announcements
12/04/2025
INFORMATIONAL - USPS Ship (INCIDENT # 10234251) Data delay
Data Files
12/04/2025
PTR2 Event Scripting Changes (Excel Document)
Data Files
12/03/2025
PTR2 Event Scripting Changes
Data Files
12/03/2025
NCOALink® Statistics

This spreadsheet includes NCOALink statistics from 2007-2025 by licensee type.

Announcements
12/02/2025
DELIVERY: Winter Weather Update
FAQs
12/01/2025
PTR2 FAQs
Publications
12/01/2025
PCC Events (December 2025)
Data Files
12/01/2025
November 2025 Nixie Volume

This spreadsheet contains the UAA statistics for November 2025.

Announcements
11/28/2025
INFORMATIONAL - Mail Spoken Here - November Edition
FAQs
11/28/2025
Modernization of Address & NCOA Processing with APIs - Q & A
Program Requirements
11/26/2025
INFORMATIONAL - International Suspension of Mail Service - Effective November 28, 2025
Tech Guides
11/26/2025
PostalOne! Release 63.0.0.0 Mail.XML TEM WSDLs

This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ TEM Release 63.0.0.0

Tech Guides
11/26/2025
PostalOne! Release 63.0.0.0 Mail.XML PrePROD WSDLs
Tech Guides
11/26/2025
PostalOne! Release 63.0.0.0 Mail.XML PROD WSDLs

This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ PROD Release 63.0.0.0